Home / 1,672.24-2,306.97-1,008.71

Finding the Fourth Proportional to 1,672.24, 2,306.97 and 1,008.71

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Solution

The fourth proportional to 1,672.24, 2,306.97 and 1,008.71 is: 1,391.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672.24 : 2,306.97 = 1,008.71 : x
  2. Step 2: Convert to fraction form
    1,672.24/2,306.97 = 1,008.71/x
  3. Step 3: Cross multiply
    1,672.24x = 2,306.97 × 1,008.71
  4. Step 4: Simplify right side
    1,672.24x = 2,327,063.71
  5. Step 5: Solve for x
    x = 2,327,063.71/1,672.24
  6. Step 6: Final answer
    x = 1,391.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.